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Official data from INPI

Concentrador de linhas diretas.

IndeferidaUtility Model

Application data

Number

MU6300571

Type

Utility Model

Filing

05/09/1983

Publication

09/13/1983

Progress at the INPI

Under appeal
  1. Filing05/09/83
  2. Publication09/13/83
  3. Examination12/13/83
  4. Refused07/08/86
  5. Grant
  6. In force

The application was refused by the INPI on 07/08/1986. The invention was never patented.

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Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Empresa Brasileira de Telecomunicações S/A - EMBRATEL

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/08/1986

RPI 820

Conhecimento de parecer técnico

#7.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

12/13/1983

RPI 686

Publicação antecipada

#3.2

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

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